4-Chlorobenzene-1,2-Diamine
Linshang Chemical
HS Code |
692982 |
Chemical Formula | C6H7ClN2 |
Molar Mass | 142.59 g/mol |
Appearance | Pale yellow to brown solid |
Odor | Characteristic amine - like odor |
Melting Point | 99 - 101 °C |
Boiling Point | 293 - 295 °C |
Solubility In Water | Slightly soluble |
Solubility In Organic Solvents | Soluble in ethanol, ether |
Flash Point | 175 °C |
Density | 1.328 g/cm³ (20 °C) |
Stability | Stable under normal conditions |
Hazardous Decomposition Products | May produce toxic fumes of nitrogen oxides and hydrogen chloride upon decomposition |
As an accredited 4-Chlorobenzene-1,2-Diamine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
Packing | 500g of 4 - chlorobenzene - 1,2 - diamine packaged in air - tight plastic bags. |
Storage | 4 - chlorobenzene - 1,2 - diamine should be stored in a cool, dry, well - ventilated area, away from heat sources and open flames. Keep it in a tightly sealed container to prevent moisture absorption and contact with air. Store it separately from oxidizing agents, acids, and other incompatible substances to avoid potential chemical reactions. |
Shipping | 4 - chlorobenzene - 1,2 - diamine is shipped in well - sealed containers, following strict chemical transportation regulations. Shipment may involve temperature - controlled trucks or specialized vessels to ensure stability and prevent hazards. |
Competitive 4-Chlorobenzene-1,2-Diamine prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365006308 or mail to info@alchemist-chem.com.
We will respond to you as soon as possible.
Tel: +8615365006308
Email: info@alchemist-chem.com


As a leading 4-Chlorobenzene-1,2-Diamine supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.
First, in the field of organic synthesis, it can be called a key intermediate. Because both bromine and chlorine atoms on the benzene ring are active, they can undergo many chemical reactions, such as nucleophilic substitution reactions, and then derive other organic compounds. For example, in the process of drug synthesis, nucleophilic substitution reactions can be used to interact with reagents containing specific functional groups to build the core structure of drug molecules. For example, reacting with amino-containing reagents can generate compounds with specific pharmacological activities, laying the foundation for the development of new drugs.
Second, in the field of materials science, it also has applications. With the help of the characteristics of bromine and chlorine atoms, the properties of materials can be regulated. For example, introducing it into polymer materials can change the electrical properties and thermal stability of the materials. In the preparation of high-performance polymers, 4-bromo-1,2-dichlorobenzene can participate in the polymerization reaction as a comonomer, and its structural characteristics endow the polymer with unique properties, such as enhancing the corrosion resistance of the material, making it play an important role in the field of materials in special environments.
Third, in the dye industry, it can serve as an important raw material for synthetic dyes. Using its structure to build a color system of dye molecules through a series of chemical reactions, the synthesized dyes have specific colors and dyeing properties. For example, by reacting with other compounds containing conjugated structures, dyes with bright colors and good stability are generated, which are used in dyeing processes in textiles and other industries.
The density of this substance is greater than that of water, about 1.93 g/cm ³. If mixed with water, it will sink to the bottom of the water. Its boiling point is about 196 ° C, which indicates that it needs to reach this temperature under normal pressure to convert from liquid to gas. The melting point is -57 ° C, which means that when the temperature is lower than this value, it will solidify from liquid to solid.
4-Bromo-1,2-dichloroethane is insoluble in water. Due to its molecular structure composed of hydrocarbons and halogen atoms, it is difficult to form effective interactions with water molecules, so its solubility in water is very small. However, it is soluble in many organic solvents, such as ethanol, ether, acetone, etc., because these organic solvents have similar intermolecular forces and chemical structure characteristics to it, which conforms to the principle of "similar phase dissolution".
Its vapor is heavier than air, and in a poorly ventilated environment, steam is easy to accumulate near the ground. Due to its physical properties, it is necessary to pay attention when storing and using it. It should be stored in a cool and well-ventilated place, away from fire and heat sources, to prevent safety hazards caused by steam accumulation.
In this compound, the bromine atom is active. Because its electronegativity is greater than that of carbon, the carbon-bromine bond is polar. This polarity makes the bromine atom vulnerable to attack by nucleophiles and nucleophilic substitution reactions occur. For example, in an alkaline environment, hydroxyl negative ions (OH) can be used as nucleophiles to attack the carbon atoms connected to bromine, and the bromine ions leave to form new compounds containing hydroxyl groups.
In addition, the benzene ring structure in the molecule also has special chemical properties. The benzene ring has a conjugated large π bond, which is relatively stable in nature and has certain aromaticity. The benzene ring can undergo electrophilic substitution reaction, because the π electron cloud is distributed above and below the benzene ring, it is easy to be attacked by electrophilic reagents. For example, in the presence of suitable catalysts, it can undergo halogenation reaction with halogenating agents to introduce new halogen atoms on the benzene ring; it can also undergo nitration reaction with mixed acids of nitric acid and sulfuric acid to introduce nitro groups; and it can also undergo Fu-gram acylation reaction with acyl halide or acid anhydride catalyzed by Lewis acid.
In addition, 4-bromo-1,2-diphenyl molecules as a whole may participate in some organic synthesis reactions and play a role in the construction of complex organic molecular structures. For example, through metal-catalyzed coupling reactions, it can react with other reagents such as halogenated aromatics or alkenyl halides to form carbon-carbon bonds, so as to expand and modify the molecular framework, providing an important way for the synthesis of organic materials with specific functions, pharmaceutical intermediates, etc.
First, it is related to the quality of raw materials. The purity of raw materials has a profound impact on product quality. It is necessary to carefully control the purity of bromine and dichloroethane. If there are too many impurities, it will not only disturb the reaction process and reduce the yield of the product, but also may lead to many side reactions, resulting in impurities, which will increase the difficulty of subsequent separation and purification. Therefore, when purchasing, it is necessary to select reliable suppliers and conduct strict inspections of raw materials to ensure that they meet production standards.
Second, the control of reaction conditions is extremely critical. This reaction temperature, pressure, reaction time and catalyst all have a significant impact on the reaction process and product yield. If the temperature is too high, it may cause frequent side reactions and reduce the selectivity of the product; if the temperature is too low, the reaction rate will be slow and take a long time. Pressure also needs to meet the needs of the reaction, otherwise it will affect the contact and reaction efficiency of the reactants. The type and dosage of the catalyst also affect the reactivity and selectivity. Therefore, it is necessary to explore the best reaction conditions through experiments and production experience, and strictly abide by them during production to ensure the stable progress of the reaction.
Third, safety protection should not be underestimated. 4-Bromo-1,2-dichloroethane is toxic and corrosive to a certain extent, and is harmful to human body and the environment. During the production process, staff must wear complete protective equipment, such as protective clothing, gloves, gas masks, etc., to prevent direct contact with the human body or inhalation. At the same time, the production site needs to be well ventilated, and waste gas, wastewater and waste residue should be properly handled in accordance with regulations to avoid environmental pollution and ensure the health of staff and the safety of the surrounding ecological environment.
Fourth, equipment maintenance is also a priority. Reactors, pipes, valves and other equipment used in production are prone to corrosion damage due to contact with corrosive substances. Regular comprehensive inspection and maintenance of equipment, timely replacement of damaged parts, to ensure the sealing and stability of equipment, can effectively prevent leakage accidents and ensure the smooth progress of production.
In summary, in the production process of 4-bromo-1,2-dichloroethane, high attention should be paid to the quality of raw materials, reaction conditions, safety protection and equipment maintenance, so as to ensure production safety, efficiency and product quality standards.
Looking at the pharmaceutical industry, the synthesis of many special drugs often uses 4-bromo-1,2-dichlorobenzene as the key raw material. As the world pays more and more attention to health, the demand for medicine is also rising. In order to cure various diseases, the research and development of new drugs has not stopped, and the role of this compound has become more and more obvious, and its market demand has also increased.
Furthermore, in the field of materials science, 4-bromo-1,2-dichlorobenzene can be used to prepare polymer materials with special properties. Nowadays, with the rapid development of science and technology, the demand for high-performance materials in electronic equipment, aerospace and other industries is extremely urgent. Materials made from this compound have unique advantages in heat resistance and chemical corrosion resistance, so they have broad application prospects in related industries and bright market prospects.
In addition, in the field of fine chemicals, 4-bromo-1,2-dichlorobenzene can be used as an intermediate to derive a variety of high-value-added fine chemicals. With the improvement of people's quality of life, the demand for fine chemicals is also increasingly diverse, which undoubtedly creates a broader market space for 4-bromo-1,2-dichlorobenzene.
However, although the market prospect is good, there are still some challenges. For example, in the chemical production process, environmental protection requirements are becoming increasingly stringent, and the production process of 4-bromo-1,2-dichlorobenzene needs to be continuously optimized to meet green environmental protection standards. And market competition is also becoming increasingly fierce. Manufacturers need to make great efforts in technological innovation and cost control in order to occupy a place in the market.
In summary, although 4-bromo-1,2-dichlorobenzene faces challenges, its wide application in the fields of medicine, materials science, fine chemicals, etc., makes its market prospects still bright, and it is expected to bloom in the future market.

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